53732: avoid tail-call exec in always block

Author: paltherr

ChangeLog

@@ -1,3 +1,7 @@
+2025-10-26  Bart Schaefer  <[email protected]>
+
+	* Philippe: 53732: avoid tail-call exec in always block
+
 2025-10-24  Oliver Kiddle  <[email protected]>
 
 	* 54002: Src/parse.c: silence compiler warning for static function

Src/loop.c

@@ -774,7 +774,7 @@ exectry(Estate state, int do_exec)
     contflag = 0;
 
     state->pc = always;
-    execlist(state, 1, do_exec);
+    execlist(state, 1, 0);
 
     if (try_errflag)
 	errflag |= ERRFLAG_ERROR;

Test/A01grammar.ztst

@@ -720,6 +720,12 @@
 >always 1
 >try 2
 
+  () { { return 2 } always { return 3 } }
+2:Exit status of always block is ignored
+
+  () { ( { return 2 } always { ( return 3 ) } ) }
+2:Regression test for exit status of always block is ignored also in tailcalls
+
   (
   mywrap() { echo BEGIN; true; echo END }
   mytest() { { exit 3 } always { mywrap }; print Exited before this }